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Genetics
Iceland
2026
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Medicine
Iceland
2026

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Medicine 125 3004 2803 2 2 354 108281
Genetics 125 309 299 6 6 316 106874

Hreinn Stefansson publications per year

The chart shows the history of publications by Hreinn Stefansson between 1994 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Hreinn Stefansson published across 32 years, from 1994 to 2025, averaging 12.9 papers a year. Output peaked at 40 publications in 2024. 66 of the 412 publications appeared in the last two years.

No. of publications
10 20 30 40
Bar chart. Horizontal axis: year, 1994 to 2025. Vertical axis: number of publications, 0 to 40. Peak 40 publications in 2024. 1994: 4 publications 1995: 3 publications 1996: 1 publication 1997: 4 publications 1998: 0 publications 1999: 1 publication 2000: 1 publication 2001: 4 publications 2002: 6 publications 2003: 3 publications 2004: 5 publications 2005: 2 publications 2006: 1 publication 2007: 6 publications 2008: 11 publications 2009: 9 publications 2010: 10 publications 2011: 18 publications 2012: 10 publications 2013: 22 publications 2014: 17 publications 2015: 17 publications 2016: 15 publications 2017: 19 publications 2018: 18 publications 2019: 37 publications 2020: 18 publications 2021: 33 publications 2022: 24 publications 2023: 27 publications 2024: 40 publications 2025: 26 publications
1994 2025

412 publications in total across all disciplines

View publications per year as a table
Hreinn Stefansson: publications per year, 1994 to 2025
Year Publications
1994 4
1995 3
1996 1
1997 4
1998 0
1999 1
2000 1
2001 4
2002 6
2003 3
2004 5
2005 2
2006 1
2007 6
2008 11
2009 9
2010 10
2011 18
2012 10
2013 22
2014 17
2015 17
2016 15
2017 19
2018 18
2019 37
2020 18
2021 33
2022 24
2023 27
2024 40
2025 26
Total 412
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Hreinn Stefansson publication distribution in Genetics in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Genetics in 2026. The highlighted bar marks where Hreinn Stefansson sits on this spectrum.

No. of scientists
50 100 150 200
Bar chart with 67 bars. Horizontal axis: publications, 45–54 to 703+. Vertical axis: number of scientists, 0 to 217. Most scientists, 217, have 125–134 publications. The last bar groups every scientist with 703 publications or more. The highlighted bar, 315–324 publications, is where this scientist sits. 45–54 publications: 6 scientists 55–64 publications: 10 scientists 65–74 publications: 35 scientists 75–84 publications: 84 scientists 85–94 publications: 102 scientists 95–104 publications: 151 scientists 105–114 publications: 175 scientists 115–124 publications: 203 scientists 125–134 publications: 217 scientists 135–144 publications: 205 scientists 145–154 publications: 193 scientists 155–164 publications: 188 scientists 165–174 publications: 170 scientists 175–184 publications: 178 scientists 185–194 publications: 164 scientists 195–204 publications: 173 scientists 205–214 publications: 159 scientists 215–224 publications: 134 scientists 225–234 publications: 143 scientists 235–244 publications: 105 scientists 245–254 publications: 114 scientists 255–264 publications: 92 scientists 265–274 publications: 88 scientists 275–284 publications: 87 scientists 285–294 publications: 80 scientists 295–304 publications: 62 scientists 305–314 publications: 75 scientists 315–324 publications: 67 scientists 325–334 publications: 60 scientists 335–344 publications: 52 scientists 345–354 publications: 40 scientists 355–364 publications: 48 scientists 365–374 publications: 47 scientists 375–384 publications: 46 scientists 385–394 publications: 31 scientists 395–404 publications: 27 scientists 405–414 publications: 40 scientists 415–424 publications: 30 scientists 425–434 publications: 43 scientists 435–444 publications: 29 scientists 445–454 publications: 14 scientists 455–464 publications: 28 scientists 465–474 publications: 21 scientists 475–484 publications: 21 scientists 485–494 publications: 22 scientists 495–504 publications: 17 scientists 505–514 publications: 12 scientists 515–524 publications: 11 scientists 525–534 publications: 8 scientists 535–544 publications: 8 scientists 545–554 publications: 14 scientists 555–564 publications: 4 scientists 565–574 publications: 11 scientists 575–584 publications: 5 scientists 585–594 publications: 11 scientists 595–604 publications: 12 scientists 605–614 publications: 7 scientists 615–624 publications: 6 scientists 625–634 publications: 10 scientists 635–644 publications: 9 scientists 645–654 publications: 10 scientists 655–664 publications: 6 scientists 665–674 publications: 6 scientists 675–684 publications: 6 scientists 685–694 publications: 4 scientists 695–702 publications: 6 scientists 703+ publications: 100 scientists
45–54 publications 703+

This scientist: 316 publications — 79th percentile

79% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 703 publications or more.

View publications distribution as a table
Number of Genetics scientists by publication count, Research.com 2026 ranking edition. Based on 4,342 ranked scientists.
Publications Scientists This scientist
45–54 6
55–64 10
65–74 35
75–84 84
85–94 102
95–104 151
105–114 175
115–124 203
125–134 217
135–144 205
145–154 193
155–164 188
165–174 170
175–184 178
185–194 164
195–204 173
205–214 159
215–224 134
225–234 143
235–244 105
245–254 114
255–264 92
265–274 88
275–284 87
285–294 80
295–304 62
305–314 75
315–324 67 316
325–334 60
335–344 52
345–354 40
355–364 48
365–374 47
375–384 46
385–394 31
395–404 27
405–414 40
415–424 30
425–434 43
435–444 29
445–454 14
455–464 28
465–474 21
475–484 21
485–494 22
495–504 17
505–514 12
515–524 11
525–534 8
535–544 8
545–554 14
555–564 4
565–574 11
575–584 5
585–594 11
595–604 12
605–614 7
615–624 6
625–634 10
635–644 9
645–654 10
655–664 6
665–674 6
675–684 6
685–694 4
695–702 6
703+ 100
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Hreinn Stefansson D-index placement in Genetics in 2026

The chart shows the D-index (discipline H-index) distribution of Genetics scientists ranked by Research.com in 2026. The highlighted bar marks where Hreinn Stefansson sits on this spectrum.

No. of scientists
50 100 150
Bar chart with 61 bars. Horizontal axis: D-Index, 40–41 to 160+. Vertical axis: number of scientists, 0 to 191. Most scientists, 191, have 62–63 D-Index. The last bar groups every scientist with 160 D-Index or more. The highlighted bar, 124–125 D-Index, is where this scientist sits. 40–41 D-Index: 24 scientists 42–43 D-Index: 52 scientists 44–45 D-Index: 84 scientists 46–47 D-Index: 112 scientists 48–49 D-Index: 118 scientists 50–51 D-Index: 141 scientists 52–53 D-Index: 143 scientists 54–55 D-Index: 145 scientists 56–57 D-Index: 179 scientists 58–59 D-Index: 162 scientists 60–61 D-Index: 175 scientists 62–63 D-Index: 191 scientists 64–65 D-Index: 172 scientists 66–67 D-Index: 184 scientists 68–69 D-Index: 164 scientists 70–71 D-Index: 158 scientists 72–73 D-Index: 150 scientists 74–75 D-Index: 136 scientists 76–77 D-Index: 127 scientists 78–79 D-Index: 127 scientists 80–81 D-Index: 111 scientists 82–83 D-Index: 110 scientists 84–85 D-Index: 110 scientists 86–87 D-Index: 84 scientists 88–89 D-Index: 102 scientists 90–91 D-Index: 66 scientists 92–93 D-Index: 72 scientists 94–95 D-Index: 70 scientists 96–97 D-Index: 54 scientists 98–99 D-Index: 60 scientists 100–101 D-Index: 49 scientists 102–103 D-Index: 55 scientists 104–105 D-Index: 45 scientists 106–107 D-Index: 42 scientists 108–109 D-Index: 28 scientists 110–111 D-Index: 39 scientists 112–113 D-Index: 25 scientists 114–115 D-Index: 31 scientists 116–117 D-Index: 29 scientists 118–119 D-Index: 34 scientists 120–121 D-Index: 29 scientists 122–123 D-Index: 29 scientists 124–125 D-Index: 18 scientists 126–127 D-Index: 27 scientists 128–129 D-Index: 22 scientists 130–131 D-Index: 16 scientists 132–133 D-Index: 11 scientists 134–135 D-Index: 17 scientists 136–137 D-Index: 12 scientists 138–139 D-Index: 21 scientists 140–141 D-Index: 4 scientists 142–143 D-Index: 9 scientists 144–145 D-Index: 14 scientists 146–147 D-Index: 6 scientists 148–149 D-Index: 10 scientists 150–151 D-Index: 7 scientists 152–153 D-Index: 9 scientists 154–155 D-Index: 8 scientists 156–157 D-Index: 8 scientists 158–159 D-Index: 9 scientists 160+ D-Index: 96 scientists
40–41 D-Index 160+

This scientist: 125 D-Index — 93rd percentile

93% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 160 D-Index or more.

View D-Index distribution as a table
Number of Genetics scientists by D-index, Research.com 2026 ranking edition. Based on 4,342 ranked scientists.
D-Index Scientists This scientist
40–41 24
42–43 52
44–45 84
46–47 112
48–49 118
50–51 141
52–53 143
54–55 145
56–57 179
58–59 162
60–61 175
62–63 191
64–65 172
66–67 184
68–69 164
70–71 158
72–73 150
74–75 136
76–77 127
78–79 127
80–81 111
82–83 110
84–85 110
86–87 84
88–89 102
90–91 66
92–93 72
94–95 70
96–97 54
98–99 60
100–101 49
102–103 55
104–105 45
106–107 42
108–109 28
110–111 39
112–113 25
114–115 31
116–117 29
118–119 34
120–121 29
122–123 29
124–125 18 125
126–127 27
128–129 22
130–131 16
132–133 11
134–135 17
136–137 12
138–139 21
140–141 4
142–143 9
144–145 14
146–147 6
148–149 10
150–151 7
152–153 9
154–155 8
156–157 8
158–159 9
160+ 96
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Research.com Recognitions

  • 2026 - Research.com Genetics in Iceland Leader Award
  • 2026 - Research.com Medicine in Iceland Leader Award
  • 2025 - Research.com Medicine in Iceland Leader Award

Overview

Hreinn Stefansson is affiliated with deCODE Genetics in Iceland, where their research endeavors focus on genetics, molecular biology, and medicine. Their work spans several interconnected subfields including genetics, molecular biology, psychiatry and mental health, neurology, and cardiology and cardiovascular medicine.

Their main fields of study are medicine and biochemistry, genetics, and molecular biology. The scientist's research topics cover a variety of areas such as genetic associations and epidemiology, migraine and headache studies, genomics and rare diseases, attention deficit hyperactivity disorder, genomic variations and chromosomal abnormalities, bioinformatics and genomic networks, and genetics and neurodevelopmental disorders.

Hreinn Stefansson has contributed to numerous publications in a range of scientific journals. Frequent publication venues include:

  • bioRxiv (Cold Spring Harbor Laboratory)
  • Nature Genetics
  • Nature Communications
  • UNC Libraries
  • Communications Biology

Collaboration with other researchers is an integral part of their work. Frequent co-authors include:

  • Kāri Stefánsson
  • Daníel F. Guðbjartsson
  • Ole Birger Pedersen
  • Sisse Rye Ostrowski
  • Unnur Þorsteinsdóttir

Recent papers featuring Hreinn Stefansson's contributions include:

  • Large-scale integration of the plasma proteome with genetics and disease, 2021, Nature Genetics
  • A genome-wide association study with 1,126,563 individuals identifies new risk loci for Alzheimer's disease, 2021, Nature Genetics
  • Genome-wide analyses of ADHD identify 27 risk loci, refine the genetic architecture and implicate several cognitive domains, 2023, Nature Genetics
  • The sequences of 150,119 genomes in the UK Biobank, 2022, Nature
  • Deciphering osteoarthritis genetics across 826,690 individuals from 9 populations, 2021, Cell

Best Publications

  • Biological insights from 108 schizophrenia-associated genetic loci

    Stephan Ripke;Stephan Ripke;Benjamin M. Neale;Benjamin M. Neale;Aiden Corvin;James T. R. Walters

  • Genome-wide association analyses identify 44 risk variants and refine the genetic architecture of major depression

    Naomi R. Wray;Stephan Ripke;Stephan Ripke;Stephan Ripke;Manuel Mattheisen;MacIej Trzaskowski

  • Variant of TREM2 associated with the risk of Alzheimer's disease

    Thorlakur Jonsson;Hreinn Stefansson;Stacy Steinberg;Ingileif Jonsdottir

  • Variant of transcription factor 7-like 2 (TCF7L2) gene confers risk of type 2 diabetes.

    Struan F. A. Grant;Gudmar Thorleifsson;Inga Reynisdottir;Rafil Benediktsson

  • Genome-wide association study identifies five new schizophrenia loci

    Stephan Ripke;Alan R. Sanders;Kenneth S. Kendler;Douglas F. Levinson

  • Genome-wide meta-analysis identifies new loci and functional pathways influencing Alzheimer's disease risk.

    Iris E. Jansen;Jeanne E. Savage;Kyoko Watanabe;Julien Bryois

  • Discovery of the first genome-wide significant risk loci for attention deficit/hyperactivity disorder

    Ditte Demontis;Ditte Demontis;Raymond K Walters;Raymond K Walters;Joanna Martin;Joanna Martin;Joanna Martin;Manuel Mattheisen

  • Common variants at ABCA7, MS4A6A/MS4A4E, EPHA1, CD33 and CD2AP are associated with Alzheimer's disease.

    Paul Hollingworth;Denise Harold;Rebecca Sims;Amy Gerrish

  • A mutation in APP protects against Alzheimer’s disease and age-related cognitive decline

    Thorlakur Jonsson;Jasvinder K. Atwal;Stacy Steinberg;Jon Snaedal

  • Neuregulin 1 and Susceptibility to Schizophrenia

    Hreinn Stefansson;Engilbert Sigurdsson;Valgerdur Steinthorsdottir;Soley Bjornsdottir

  • Association between Microdeletion and Microduplication at 16p11.2 and Autism

    Lauren A. Weiss;Yiping Shen;Joshua M. Korn;Joshua M. Korn;Dan E. Arking

  • Large recurrent microdeletions associated with schizophrenia

    Hreinn Stefansson;Dan Rujescu;Sven Cichon;Olli P. H. Pietilainen

  • Large-scale meta-analysis of genome-wide association data identifies six new risk loci for Parkinson's disease

    Mike A Nalls;Nathan Pankratz;Christina M. Lill;Chuong B. Do

  • Common variants conferring risk of schizophrenia

    Hreinn Stefansson;Hreinn Stefansson;Roel A. Ophoff;Roel A. Ophoff;Roel A. Ophoff;Stacy Steinberg;Stacy Steinberg;Ole A. Andreassen

  • Genome-wide association analysis identifies 13 new risk loci for schizophrenia

    Stephan Ripke;Stephan Ripke;Colm T. O'Dushlaine;Kimberly D. Chambert;Jennifer L. Moran

  • A variant associated with nicotine dependence, lung cancer and peripheral arterial disease.

    Thorgeir E Thorgeirsson;Frank Geller;Patrick Sulem;Thorunn Rafnar

  • Common schizophrenia alleles are enriched in mutation-intolerant genes and in regions under strong background selection

    Antonio F. Pardiñas;Peter Holmans;Andrew J. Pocklington;Valentina Escott-Price

  • Genome-wide association study identifies 30 loci associated with bipolar disorder

    Eli A. Stahl;Eli A. Stahl;Gerome Breen;Andreas J. Forstner;Andrew McQuillin

  • Genetics of gene expression and its effect on disease

    Valur Emilsson;Gudmar Thorleifsson;Bin Zhang;Amy S. Leonardson

  • Large-scale genome-wide association analysis of bipolar disorder identifies a new susceptibility locus near ODZ4

    Pamela Sklar;Pamela Sklar;Stephan Ripke;Stephan Ripke;Laura J. Scott;Ole A. Andreassen

Frequent Co-Authors

Kari Stefansson
Kari Stefansson deCODE Genetics (Iceland)
Thomas Werge
Thomas Werge University of Copenhagen
Ole A. Andreassen
Ole A. Andreassen Oslo University Hospital
Stacy Steinberg
Stacy Steinberg deCODE Genetics (Iceland)
Stephan Ripke
Stephan Ripke Massachusetts General Hospital
Srdjan Djurovic
Srdjan Djurovic Oslo University Hospital
Unnur Thorsteinsdottir
Unnur Thorsteinsdottir deCODE Genetics (Iceland)
Daniel F. Gudbjartsson
Daniel F. Gudbjartsson deCODE Genetics (Iceland)
Anders D. Børglum
Anders D. Børglum Aarhus University
Augustine Kong
Augustine Kong University of Oxford

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